import router from './router'
import store from './store'
import { ElMessage } from 'element-plus'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { getToken } from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/login', '/auth-redirect'] // no redirect whitelist

router.beforeEach(async (to, from, next) => {
	// start progress bar
	NProgress.start()

	// set page title
	document.title = getPageTitle(to.meta.title)

	// determine whether the user has logged in
	const hasToken = getToken()

	if (hasToken) {
		if (to.path === '/login') {
			// if is logged in, redirect to the home page
			next({ path: '/' })
			NProgress.done() // hack: https://github.com/PanJiaChen/vue-element-admin/pull/2939
		} else {
			// determine whether the user has obtained his permission roles through getInfo

			const roles = store.getters.roles

			const hasRoles = roles.length > 0

			if (hasRoles) {
				console.log('router---',store.getters.permission_routes);
				next()
			} else {
				try {
					// get user info
					// note: roles must be a object array! such as: ['admin'] or ,['developer','editor']
					const { roles } = await store.dispatch('user/getInfo')

					// generate accessible routes map based on roles
					const accessRoutes = await store.dispatch('permission/generateRoutes', roles)

					accessRoutes.forEach(async (route) => {
						await router.addRoute(route) // 动态添加可访问路由表
					})
					// dynamically add accessible routes

					// console.log('1111', error)
					// hack method to ensure that addRoute is complete
					// set the replace: true, so the navigation will not leave a history record
					const redirectPath = from.query.redirect || to.path
					const redirect = decodeURIComponent(redirectPath)
					const nextData = to.path === redirect ? { ...to, replace: true } : { path: redirect }

					
					next(nextData)
				} catch (error) {
					// remove token and go to login page to re-login
					await store.dispatch('user/resetToken')
					ElMessage.error(error || 'Has Error')
					next(`/login?redirect=${to.path}`)
					NProgress.done()
				}
			}
		}
	} else {
		/* has no token*/

		if (whiteList.indexOf(to.path) !== -1) {
			// in the free login whitelist, go directly
			next()
		} else {
			// other pages that do not have permission to access are redirected to the login page.
			next(`/login?redirect=${to.path}`)
			NProgress.done()
		}
	}
})

router.afterEach(() => {
	// finish progress bar
	NProgress.done()
})
